Shingle-machine



(No Mqdel.)

W. N. DARNELL.

SHINGLE MACHINE.

Patented May 14, 1889.

1E). Ehg1 Willi/ am A Darnell his flitarney.

UNITED STATES PATENT OFFICE.

\VILLIAM N. DARNELL, OF IVORTHINGTON, INDIANA.

SHlNGLE-MACHINE.

SPECIFICATION forming part of Letters Patent No. 403,420, dated May 14,1889. Application filed May 28, 1888- Serial No. 275,340. (No model.)

To aZZ whom it may concern:

Be it known that I, WILLIAM N. DARNELL, a citizen of the United States,residing at lVorthington, in the county of Greene and State of Indiana,have invented certain new and useful Improvements in Shingle Machines;and I do hereby declare the following to be a full, clear, and exactdescription of the invention, such as will enable others skilled in theart to which it appertains to make and use the same.

Figure 1 is a side elevation of the machine, showing a single knife.Fig. 2 is a top plan with the top of frame of knives and rollersremoved, showing a double set of each; Fig. 3, a top plan view, the topof the knife-frame removed, showing a single set of each; Fig. 4,enlarged top plan View of journal-block guides and spring on the roller.Fig. 5 is a detail top plan of the frame. Fig. 6 is a detail sideelevation of one of the rollers with its journal-block and guide-rods.Fig. 7 is a detail side elevation, enlarged, to show the jointing-knife,8:0. I

The object of this machine is to shave the sides of shingles which havebeen previously split with the grain of the wood or sawed, and joint theedges at the same time; and the novelty consists in the construction andcombination of the several parts of the machine, all as will now be morefully set out and described.

In the accompanying drawings, A denotes the bench or any suitable frameto support the parts of the machine. At each end of the top part of thisbench are secured the upright guides B, which are so made that thesliding bar 0 can be easily and freely moved to and fro through them andover the top of the frame or bench. In the depressions or seats 0 ineach end of this bar, but on opposite sides, a bed-block, D, is placedso that it will be below the level of the surface of the bar, and by theformation of each depression will be placed at a slight angle with thelength of the bar. The object of this peculiar arrangement of the blockis that when the piece of wood of which the shingle is made is placed inthis depression against the face of the bed-block and passed by theshaving-knife it will be cut thinner at one end than at the other. Theface of this block is made rough to prevent the shingle from slipping.This knife E is placed in a generally vertical position,but a littleinclined with respect to the top of the bench and secured at top andbottom in the frame F, which is fixed to the top of the bench. In saidframe are also j ournaled the vertical pressure-rollers G, and so placedthat one, two, or more shall come up on one side of the shingle as itpasses the knife and one shall come on the outside of the bar. Thesingle roller G, opposite the knife, is designed to prevent the slidefrom bending under the pressure of the rollers near the knife. As theforce of the springs is considerable, this result might otherwisefollow. In the use of these rollers I do not wish to be limited to theexact number now shown, and in arranging them I wish to place them atsuitable points 011 opposite sides of the movable bar 0, and in theconstruction of the said slide it is not absolutely necessary that itshould be a solid bar. The first roller that presses against the shinglemeets it as it approaches the knife, and the last roller continues thepressure so long as the shingle is in contact with the knife. The forceof the pressure of said rollers is regulated by the tension of thesprings g, which act on their journals g intermediately through blocks 9in which the journals move, and said blocks have guides g on each side;but I do not wish to be confined to this precise construction inapplying the springs to the roller.

The rollers are actuated by springs, so as to yield to the inequality ofthe thickness, but at the same time to press firmly on the shingle tohold it in its place and also prevent the wood from so rising as to becut in two. \Vhile the rough shingle is passing the knife E and beingshaved upon one side, its lower edge is jointed by means of the knife H,fixed in the bottom of the frame F and transversely thereto. \Vhen theshingle-piece has been passed in one direction by one set of side andbottom knives, so as to be shaved and jointed on one side and edge, itcan be removed from the face of the block D on that side of the bar andplaced with its shaved side against the block D on the other side, andthen passed in the opposite direction between the spring-pressurerollers and against the knives that will operate 011 its other side andedge, and at the completion of this operation comes out finished andready for use..

The bar 0 may be moved by hand, by mechanism, or by power.

Instead of inclining the depression a, the block D may be so shaped asto accomplish the same ends.

Having now described my invention, what I desire to secure by LettersPatent is 1. The movable bar 0, having the inclined roughened-facedbed-block D in its side, combined with the guides B, the pressurerollers and springs acting on the journals of the same, and the inclinedshaving-knife and the 15 jointing-knife, substantially as described.

